Open Source Alternatives to Unity
A game engine that enables developers to create, deploy, and grow interactive experiences across multiple platforms, providing built-in analytics, monetization tools, and AI assistance.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Unity give you an option you fully own. Run them on your own server or desktop, so your data stays under your control. This page lists 3 open source alternatives to Unity. The most popular are Godot, Luanti and s&box. Most use the MIT or LGPL-2.1 license, and 1 offers an official Docker image.
Godot
Create 2D and 3D cross platform games using a unified interface with built in export tools.
Luanti
A voxel game engine designed for creating custom games with a focus on easy modding.
s&box
A game creation platform based on the Source 2 engine for building and sharing games in one environment.
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